An item which provides continual quantitative visual indication of cyclic variations between two or more phases of electrical energy, warning upon departure from predetermined phase variation limits. May initiate an audible warning. See also panel, monitor.
Classification: Parts and accessories of articles of schedule b subheading 9030.39
NSN 5985-01-513-7762
NSN 5905-00-600-0513
NSN 5950-01-445-6004
NSN 6320-01-643-0850
NSN 5930-01-459-1706
NSN 5895-00-229-4053
NSN 6650-01-218-9337
NSN 6610-00-204-6792
NSN 5996-00-823-8487
NSN 6240-01-454-5789
NSN 6150-01-013-4567
NSN 6685-01-453-6306